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Eager Loading vs Lazy Loading in MVC pattern

I am describing basic difference between Eager Loading vs Lazy loading.  Eager Loading :1 .Resource loading.    2. Since eager fetching load all relationship , it's a big  performance hog.    3. Eager fetching makes for easier programming , since less code is required.  Lazy loading :   1. Time consuming.      2. Lazy fetching doesn't load any relationship unless told to, which lead to better                                       performance.    3. Lazy loading could lead to bugs if entire system isn't           properly tested.